Which two statements about the ip subnet-zero command are true? (Choose two.)

Question:
Which two statements about the ip subnet-zero command are true? (Choose two.)

• It specifies the broadcast IP addresses in the subnet.
• It enables the network to make full use of the available IP address space.
• It is enabled by default on Cisco routers.
• It must be configured each time you reboot a router.
• It must be configured before you activate NAT on a router.

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